import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-100))
r=w0.sketch().arc((-34,-13),(-27,-21),(-21,-30)).arc((29,22),(-34,-13)).assemble().reset().face(w0.sketch().segment((-14,32),(-9,-34)).segment((14,-32)).segment((9,34)).close().assemble(),mode='s').finalize().extrude(200)